Air conditioning maintenance cart assembly



FIG. 1 is a perspective view of the front, right side and top of the air conditioning maintenance cart assembly;

FIG. 2 is a perspective view of the rear, left side and bottom of the cart assembly;

FIG. 3 is a front view of the cart assembly;

FIG. 4 is a rear view of the cart assembly;

FIG. 5 is a right side view of the cart assembly;

FIG. 6 is a left side view of the cart assembly;

FIG. 7 is a top view of the cart assembly; and,

FIG. 8 is a bottom view of the cart assembly.

The broken line showing in the figures is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for an air conditioning maintenance cart assembly, as shown and described. 